Texas
Buying Rural Land in Dallas County, Texas
Dallas County is the city of Dallas and its inner suburbs -- a genuinely urban county, not a raw-land market in the way most of this site covers. This page is honest about that: what's left of the unincorporated southeastern fringe, the county rules that apply there, and where to look instead if you want an actual rural land market.
Where the unincorporated fringe actually is
Dallas County is anchored by the city of Dallas itself along with dense inner-ring suburbs (Irving, Garland, Mesquite, Grand Prairie, and many others) that together account for the overwhelming majority of the county's roughly 581,500 acres. Dallas County's own planning materials put unincorporated land -- outside every city's limits -- at under ten percent of the total, concentrated in the county's southeastern corner: Combine, Ferris, Hutchins, Lancaster, Seagoville, and Wilmer, per the county's own ETJ mapping of that area. Land inside any city's limits is governed entirely by that city's zoning and subdivision code; land inside a city's ETJ but outside its limits can still be subject to that city's subdivision-platting requirements even without its zoning. A parcel that looks rural on satellite imagery in this part of the county can easily fall inside more than one of these overlapping layers -- confirm city-limit and ETJ status directly with the nearest city's planning department and with Dallas County's Department of Unincorporated Area Services (DUAS, 214-653-6565) before assuming county-only rules apply.
What actually governs the unincorporated fringe
Dallas County has no general zoning ordinance for its unincorporated area, the same statewide default described on the Texas hub. That doesn't mean no process: DUAS administers subdivision platting under Court Order No. 2010-1361 (adopted August 17, 2010), and by the county's own procedure, preliminary and final plat approval is required before the county will issue either a development permit or an on-site sewage facility (OSSF) permit -- meaning plat approval is a genuine prerequisite step, not paperwork that can be handled in parallel with construction planning. Dallas County is also one of the roughly 40 Texas counties with TCEQ authorized-agent status for OSSFs, so septic permits here are issued and inspected by the county itself rather than through a TCEQ regional office. Separately, Dallas County runs its own floodplain-development-permit process (Court Order 2019-0322) for unincorporated land in a mapped Special Flood Hazard Area, including stretches of the Trinity River corridor -- current FEMA flood maps for the county date to March 2019, and encroachment into a mapped floodway is prohibited absent a FEMA-issued conditional Letter of Map Revision.
If you actually want a raw-land market, look past Dallas County
It's worth being direct about the economics: land advertised as "undeveloped" or "raw" in Dallas County is not priced like rural acreage elsewhere in Texas. Recent market data shows average per-acre pricing for undeveloped Dallas County land well into six figures, reflecting proximity to the Dallas-Fort Worth metro and development potential rather than agricultural, recreational, or homesteading value -- a fundamentally different market than the one most of this site's Texas county coverage describes. If your goal is a genuinely rural, lower-cost tract -- for a homestead, hunting land, or small-acreage farm -- Dallas County's unincorporated southeastern fringe is very unlikely to be the right target; neighboring, genuinely rural counties like Ellis, Kaufman, and Navarro are where that market actually exists within reasonable driving distance of the metro.
Who to Call Before Buying Land in Dallas County
Dallas County has no zoning department because the unincorporated county is not zoned. For a parcel inside any city's limits or ETJ -- true for the great majority of the county -- contact that city's own planning department instead of the county. We found no groundwater conservation district covering Dallas County, so there is no wells_water entry above; a well in the unincorporated fringe would fall under the statewide rule of capture.
Subdivision & Land Development
Dallas County Department of Unincorporated Area Services (DUAS)
Subdivision plat approval, development permits, and land-use questions for unincorporated Dallas County land -- the county has no zoning ordinance, so this office administers the applicable process instead.
Septic / Onsite Wastewater
Dallas County Department of Unincorporated Area Services (DUAS) -- OSSF Program
On-site sewage facility (septic) permits and inspections -- Dallas County is a TCEQ authorized agent, so this office issues permits directly rather than TCEQ.
Floodplain / Stormwater
Dallas County Public Works -- Floodplain Administration
Floodplain development permits and flood-zone determinations for unincorporated land, including the Trinity River corridor.
Planning & Zoning
Dallas County Planning and Development
Confirming a specific parcel's status relative to a city's limits or ETJ, and general unincorporated-area land-use questions.
Assessor / Property Tax
Dallas Central Appraisal District (DCAD)
Assessed value, property tax, and agricultural (ag/wildlife) valuation questions for a specific parcel.
Recorder / Clerk / Land Records
Dallas County Clerk
Recorded deeds, easements, and plat history for a specific parcel.
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Get local guidanceSources
- Department of Unincorporated Area Services | Subdivisions and Platting — Dallas County, Texas Government (accessed 2026-09)
- Planning and Development | Zoning — Dallas County, Texas Government (accessed 2026-09)
- ETJ Map -- Southeast Dallas County — Dallas County, Texas Government (accessed 2026-09)
- Floodplain Management Regulations of Dallas County (Court Order 2019-0322) — Dallas County, Texas Government (accessed 2026-09)
- Public Works | Floodplain Administration — Dallas County, Texas Government (accessed 2026-09)
- Undeveloped Land for Sale in Dallas County, Texas — Land.com (accessed 2026-09)
- Dallas County, TX Rural Land for Sale — LandSearch (accessed 2026-09)
- Dallas County, Texas — Wikipedia (accessed 2026-09)
- Dallas Central Appraisal District — Dallas Central Appraisal District (accessed 2026-09)
Last reviewed 2026-09